CVE-2021-40647

MEDIUM Year: 2021
CVSS v3 Score
5.5
Medium
Weakness Type
CWE-787
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Vulnerability Description

In man2html 1.6g, a specific string being read in from a file will overwrite the size parameter in the top chunk of the heap. This at least causes the program to segmentation abort if the heap size parameter isn't aligned correctly. In version before GLIBC version 2.29 and aligned correctly, it allows arbitrary write anywhere in the programs memory.

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